Phone · Samsung · Galaxy S8
Volume Button Repair Guide for Galaxy S8
Volume Button Repair guide for the Samsung Galaxy S8
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Phillips #00 screwdriver
- Tweezers
- Spudger tool
Parts / materials
- Samsung Galaxy S8 Volume Button Flex Cable
- Rear Glass Pre-cut Adhesive Sticker
- Isopropyl Alcohol (90% or higher)
Safety
- Wear safety glasses to protect against potential glass splinters during rear panel removal.
- Discharge the phone battery below 25% before starting to reduce the risk of thermal runaway if accidentally punctured.
- Do not insert prying tools deeper than 5mm to avoid damaging internal ribbon cables.
Overview
Step-by-step
- 1
Power off the phone
1 minPress and hold the power button, then tap Power Off on the screen to completely shut down the device.
- 2
Heat the rear glass
3 minApply a heat gun or hair dryer around the edges of the rear cover for 2 to 3 minutes to soften the adhesive.
- 3
Attach the suction cup
2 minPlace a suction cup near the bottom edge of the rear glass and pull upward to create a small gap.
- 4
Insert plastic opening pick
2 minInsert a thin plastic pick into the gap created between the glass and the phone frame.
- 5
Slice through the adhesive
5 minSlide the pick around all four edges of the rear cover to slice through the adhesive seal. Keep the pick shallow near the camera to avoid damaging the fingerprint sensor cable.
- 6
Disconnect the fingerprint sensor
2 minGently lift the rear glass slightly and use a spudger to unclip the fingerprint sensor flex cable beneath the camera bezel.
- 7
Remove the rear glass
1 minLift the rear glass panel completely off the chassis and set it aside.
- 8
Unscrew the midframe
4 minUse a Phillips #00 screwdriver to remove the 11 screws securing the wireless charging pad and midframe shield.
- 9
Remove the wireless charging assembly
2 minPry up the wireless charging coil assembly with a plastic spudger and lift it out of the chassis.
- 10
Disconnect the battery
1 minUse the flat end of a spudger to pry the battery connector straight up from the motherboard.
- 11
Disconnect the volume button flex cable
2 minLocate the volume button flex cable connector on the upper left side of the motherboard and detach it with a spudger.
- 12
Remove motherboard screws
2 minRemove the remaining Phillips screws securing the motherboard and lower assembly to the housing.
- 13
Pry out the motherboard
3 minGently lift the motherboard out from the phone body, ensuring no flex cables snag during removal.
- 14
Peel up the volume button flex
3 minApply a drop of high-percentage isopropyl alcohol to loosen the glue, then use tweezers to carefully peel the volume button flex cable from the inner frame wall.
- 15
Install the new volume button flex
3 minAlign the replacement volume button flex cable with the alignment pins in the frame and press it down securely into place.
- 16
Reinstall the motherboard
3 minLower the motherboard back into the housing and press down gently until it sits flush.
- 17
Reconnect the battery cable
1 minPress the battery connector firmly into its socket on the motherboard until it snaps into place.
- 18
Reattach the wireless charging assembly
4 minPosition the wireless charging pad over the board and secure it with the 11 Phillips screws.
- 19
Apply rear cover adhesive
4 minClean off any old adhesive residue from the rear glass and housing, then place a pre-cut adhesive sticker along the frame edge.
- 20
Seal the rear glass
3 minReconnect the fingerprint sensor cable, align the rear glass over the frame, and press firmly around all edges to secure the seal.
After your Samsung Galaxy S8 volume button repair
Power the Galaxy S8 back on and test the volume button repair function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Samsung Galaxy S8 job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Samsung Galaxy S8 repair context in the encyclopedia, or open related DIY guides.

